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Radial JDI Premium Passive DI

Item: REC0004849-000
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The Radial JDI Premium Passive DI is regarded as one of the most reliable and effective direct boxes available in the industry.  All product info

Product variations

Radial JDI Stereo Premium Passive DI

Radial JDI Stereo Premium Passive DI Product Image
  • Manufacturer: Radial Enineering
  • Operation: Passive
  • Signal type: Line
  • Number of channels: 2
  • PAD: Yes
  • ...
£ 369.00
£ 235.00
incl. VAT, incl. Shipping Costs
or cheap with financing
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  • 3 YEARS
  • 55.000 PRODUCTS

Product information - JDI Premium Passive DI

Radial JDI Premium Passive DI

The Radial JDI Premium Passive DI is considered by many to be the world’s finest direct box. It is a passive DI that employs a Jensen isolation transformer for optimum audio performance offering outstanding linearity at all frequencies, combined with extraordinary level handling without introducing distortion. Being completely passive, the plug & play JDI does not require any powering and has the unique advantage of eliminating 60-cycle ground loops. This makes the JDI a definite favourite with informed audio engineers. The JDI is great for Guitars, Bass, and Keyboards and is particularly adept with high-output sources such as active instruments and digital keyboards. The JDI may be rack-mounted using the J-Rak and is also available in a stereo (2-channel) version called the JDI Duplex and the 6-channel rack-mountable JD6.

The Radial JDI Passive Direct Box is equipped with 2x Jensen Transformers to gracefully handle transients whilst still delivering a smooth, warm Bessel curve. With a signal bandwidth from 10Hz-40kHz and virtually zero phase deviation, the JDI Passive delivers a natural pure instrument sound.

Also capable of eliminating hum and buzz from ground loops, this DI box contains 100% passive circuitry and performs high-to-low impedance conversion and signal balancing. The Jensen Transformer also includes a magnetic bridge that passes signal whilst rejecting stray DC voltage. With ¼" connectors, a -15dB input pad, ground lift, and 180° polarity reverse, the JDI Passive is built to handle abusive touring schedules thanks to a steel frame.

The main features of the Radial JDI Premium Passive DI include:

  • Jensen JT-DB-EPC Passive Direct Box
  • -15dB Pad
  • Ground Lift
  • 20Hz-20kHz Frequency Response
  • Steel Chassis
  • Inputs: ¼” Jack
  • Outputs: Balanced XLR, ¼" Thru
  • Dynamic Range: 135dB
  • Maximum Input: +21dB @ 20Hz-20kHz
  • Manufacturer No.: R800 1010 00
  • Dimensions (LxWxD): 165 x 102 x 76mm
  • Weight: 871g

The Radial JDI explained



  • Manufacturer: Radial Engineering
  • Operation: Passive
  • Signal type: Hi-Z
  • Number of channels: 1
  • PAD: Yes
  • GroundLift: Yes
  • Tru: Yes
  • Format: Desktop
  • Transformer balanced: In & Output
  • Rack Installation Possible: No
  • Level control: No
Radial JDI Premium Passive DI Product ImageRadial JDI Premium Passive DI
£ 235.00
£ 285.00
£ 185.00
£ 235.00
£ 177.00
£ 115.00

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